<template>
    <div class="main">
        <a-form id="formLogin" class="user-layout-login" ref="formLogin" :form="form" @submit="handleSubmit">
            <a-tabs
                :activeKey="customActiveKey"
                :tabBarStyle="{ textAlign: 'center', borderBottom: 'unset' }"
                @change="handleTabClick"
            >
                <a-tab-pane key="tab1" tab="账号密码登录">
                    <!-- <a-alert v-if="isLoginError" type="error" showIcon style="margin-bottom: 24px;" message="账户或密码错误" /> -->
                    <a-form-item>
                        <a-input
                            size="large"
                            type="text"
                            placeholder="请输入手机号或账号"
                            v-decorator="[
                                'phone',
                                {
                                    initialValue: '',
                                    rules: [
                                        { required: true, message: '请输入手机号号或账号' },
                                        { validator: handleUsernameOrEmail }
                                    ],
                                    validateTrigger: 'change'
                                }
                            ]"
                        >
                            <a-icon slot="prefix" type="user" :style="{ color: 'rgba(0,0,0,.25)' }" />
                        </a-input>
                    </a-form-item>

                    <a-form-item>
                        <a-input-password
                            size="large"
                            placeholder="请输入密码"
                            v-decorator="[
                                'password',
                                {
                                    initialValue: '',
                                    rules: [{ required: true, message: '请输入密码' }],
                                    validateTrigger: 'blur'
                                }
                            ]"
                        >
                            <a-icon slot="prefix" type="lock" :style="{ color: 'rgba(0,0,0,.25)' }" />
                        </a-input-password>
                    </a-form-item>
                </a-tab-pane>
                <!-- <a-tab-pane key="tab2" tab="手机号登录">
                    <a-form-item>
                        <a-input size="large" type="text" placeholder="手机号" v-decorator="['mobile', {rules: [{ required: true, pattern: /^1[34578]\d{9}$/, message: '请输入正确的手机号' }], validateTrigger: 'change'}]">
                            <a-icon slot="prefix" type="mobile" :style="{ color: 'rgba(0,0,0,.25)' }"/>
                        </a-input>
                    </a-form-item>

                    <a-row :gutter="16">
                        <a-col class="gutter-row" :span="16">
                            <a-form-item>
                                <a-input size="large" type="text" placeholder="验证码" v-decorator="['captcha', {rules: [{ required: true, message: '请输入验证码' }], validateTrigger: 'blur'}]">
                                    <a-icon slot="prefix" type="mail" :style="{ color: 'rgba(0,0,0,.25)' }"/>
                                </a-input>
                            </a-form-item>
                        </a-col>
                        <a-col class="gutter-row" :span="8">
                            <a-button
                                class="getCaptcha"
                                tabindex="-1"
                                :disabled="state.smsSendBtn"
                                @click.stop.prevent="getCaptcha"
                                v-text="!state.smsSendBtn && '获取验证码' || (state.time+' s')"
                            ></a-button>
                        </a-col>
                    </a-row>
                </a-tab-pane> -->
            </a-tabs>

            <!-- <a-form-item>
                <a-checkbox v-decorator="['rememberMe', { valuePropName: 'checked' }]">自动登录</a-checkbox>
                <router-link
                    :to="{ name: 'recover', params: { user: 'aaa'} }"
                    class="forge-password"
                    style="float: right;"
                >忘记密码</router-link>
            </a-form-item> -->

            <a-form-item style="margin-top:24px">
                <a-button
                    size="large"
                    type="primary"
                    htmlType="submit"
                    class="login-button"
                    :loading="state.loginBtn"
                    :disabled="state.loginBtn"
                >
                    确定
                </a-button>
            </a-form-item>

            <!-- <div class="user-login-other">
                <span>其他登录方式</span>
                <a>
                    <a-icon class="item-icon" type="alipay-circle"></a-icon>
                </a>
                <a>
                    <a-icon class="item-icon" type="taobao-circle"></a-icon>
                </a>
                <a>
                    <a-icon class="item-icon" type="weibo-circle"></a-icon>
                </a>
                <router-link class="register" :to="{ name: 'register' }">注册账户</router-link>
            </div> -->
        </a-form>

        <two-step-captcha
            v-if="requiredTwoStepCaptcha"
            :visible="stepCaptchaVisible"
            @success="stepCaptchaSuccess"
            @cancel="stepCaptchaCancel"
        ></two-step-captcha>
    </div>
</template>

<script>
import TwoStepCaptcha from '@/components/tools/TwoStepCaptcha'
import { mapActions } from 'vuex'
import { timeFix } from '@/utils/util'
// import { getSmsCaptcha, get2step } from '@/api/login'

export default {
    components: {
        TwoStepCaptcha
    },
    data() {
        return {
            customActiveKey: 'tab1',
            loginBtn: false,
            // login type: 0 email, 1 username, 2 telephone
            loginType: 0,
            isLoginError: false,
            requiredTwoStepCaptcha: false,
            stepCaptchaVisible: false,
            form: this.$form.createForm(this),
            state: {
                time: 60,
                loginBtn: false,
                // login type: 0 email, 1 username, 2 telephone
                loginType: 0,
                smsSendBtn: false
            }
        }
    },
    created() {
        // get2step({ })
        //     .then(res => {
        //         this.requiredTwoStepCaptcha = res.result.stepCode
        //     })
        //     .catch(() => {
        //         this.requiredTwoStepCaptcha = false
        //     })
        // this.requiredTwoStepCaptcha = true
    },
    methods: {
        ...mapActions(['Login', 'Logout']),
        // handler
        handleUsernameOrEmail(rule, value, callback) {
            const { state } = this
            const regex = /^(?:(?:\+|00)86)?1(?:(?:3[\d])|(?:4[5-79])|(?:5[0-35-9])|(?:6[5-7])|(?:7[0-8])|(?:8[\d])|(?:9[189]))\d{8}$/
            if (regex.test(value)) {
                state.loginType = 0
            } else {
                state.loginType = 1
            }
            callback()
        },
        handleTabClick(key) {
            this.customActiveKey = key
            // this.form.resetFields()
        },
        handleSubmit(e) {
            e.preventDefault()
            const {
                form: { validateFields },
                state,
                customActiveKey,
                Login
            } = this

            state.loginBtn = true

            const validateFieldsKey = customActiveKey === 'tab1' ? ['phone', 'password'] : ['mobile', 'captcha']

            validateFields(validateFieldsKey, { force: true }, (err, values) => {
                if (!err) {
                    const loginParams = { ...values }
                    delete loginParams.phone
                    loginParams[!state.loginType ? 'phone' : 'phone'] = values.phone
                    loginParams.password = values.password
                    Login(loginParams)
                        .then(res => this.loginSuccess(res))
                        .catch(err => this.requestFailed(err))
                        .finally(() => {
                            state.loginBtn = false
                        })
                } else {
                    setTimeout(() => {
                        state.loginBtn = false
                    }, 600)
                }
            })
        },
        getCaptcha(e) {
            e.preventDefault()
            const {
                form: { validateFields },
                state
            } = this

            validateFields(['mobile'], { force: true }, (err, values) => {
                if (!err) {
                    state.smsSendBtn = true

                    const interval = window.setInterval(() => {
                        if (state.time-- <= 0) {
                            state.time = 60
                            state.smsSendBtn = false
                            window.clearInterval(interval)
                        }
                    }, 1000)

                    // const hide = this.$message.loading('验证码发送中..', 0)
                    // getSmsCaptcha({ mobile: values.mobile }).then(res => {
                    //     setTimeout(hide, 2500)
                    //     this.$notification['success']({
                    //         message: '提示',
                    //         description: '验证码获取成功，您的验证码为：' + res.result.captcha,
                    //         duration: 8
                    //     })
                    // }).catch(err => {
                    //     setTimeout(hide, 1)
                    //     clearInterval(interval)
                    //     state.time = 60
                    //     state.smsSendBtn = false
                    //     this.requestFailed(err)
                    // })
                }
            })
        },
        stepCaptchaSuccess() {
            this.loginSuccess()
        },
        stepCaptchaCancel() {
            this.Logout().then(() => {
                this.loginBtn = false
                this.stepCaptchaVisible = false
            })
        },
        loginSuccess(res) {
            this.$router.push({ path: '/' })
            // 延迟 1 秒显示欢迎信息
            setTimeout(() => {
                this.$notification.success({
                    message: '欢迎',
                    description: `${timeFix()}，欢迎回来`
                })
            }, 1000)
            this.isLoginError = false
        },
        requestFailed(err) {
            this.isLoginError = true
            this.$notification['error']({
                message: '错误',
                description: ((err.response || {}).data || {}).message || '请求出现错误，请稍后再试',
                duration: 4
            })
        }
    }
}
</script>

<style lang="less" scoped>
.user-layout-login {
    label {
        font-size: 14px;
    }

    .getCaptcha {
        display: block;
        width: 100%;
        height: 40px;
    }

    .forge-password {
        font-size: 14px;
    }

    button.login-button {
        padding: 0 15px;
        font-size: 16px;
        height: 40px;
        width: 100%;
    }

    .user-login-other {
        text-align: left;
        margin-top: 24px;
        line-height: 22px;

        .item-icon {
            font-size: 24px;
            color: rgba(0, 0, 0, 0.2);
            margin-left: 16px;
            vertical-align: middle;
            cursor: pointer;
            transition: color 0.3s;

            &:hover {
                color: #1890ff;
            }
        }

        .register {
            float: right;
        }
    }
}
</style>
